# \#philosophy

**URL:** https://discourse.julialang.org/tag/philosophy/241.md

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## [Precompile: Why?](https://discourse.julialang.org/t/precompile-why/78770)

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**Author:** [@chelseas](https://discourse.julialang.org/u/chelseas)\
**Replies:** 30\
**Last updated:** [April 1, 2022, 5:50pm UTC](https://discourse.julialang.org/t/precompile-why/78770 "2022-04-01T17:50:57Z")

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For compiled languages like C++, you generally use external libraries that you download in a format that is already compiled. Then you compile your own code when you want to run it. This takes time, but it’s just part of…